427896749

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{619}}^1$

素因数の和:837

約数の個数: 32

約数和(自身を含む): 536037120

約数和(自身を除く): 108140371

約数列:

[1, 7, 17, 37, 119, 157, 259, 619, 629, 1099, 2669, 4333, 4403, 5809, 10523, 18683, 22903, 40663, 73661, 97183, 98753, 160321, 389351, 680281, 691271, 1652111, 2725457, 3595771, 11564777, 25170397, 61128107, 427896749]

約数ペア:

[(1, 427896749), (7, 61128107), (17, 25170397), (37, 11564777), (119, 3595771), (157, 2725457), (259, 1652111), (619, 691271), (629, 680281), (1099, 389351), (2669, 160321), (4333, 98753), (4403, 97183), (5809, 73661), (10523, 40663), (18683, 22903)]